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The below histogram shows the weekly wages of workers at a construction site:  How many workers get daily wages of 500 – 600?

When drawing items from a group, what is the main difference between sampling with replacement and sampling without replacement?

Which statement best defines a sample space?

A class receives exam scores that are ordered from lowest to highest. A student wants to know whether his score of 82 is higher than most of the class or close to the middle. The teacher reports that a score of 82 falls in the 75th percentile.What does this information tell the student?

When all outcomes in a sample space are equally likely, how do you calculate the probability of an event AAA?

7. A researcher wants to study study habits of all college students in the U.S. but collects data from 500 students at one university. The 500 students who provided data represent the:

11. A survey reports that “90% of students prefer online classes,” based on responses from 40 students surveyed in the computer science lab. Which is the most important concern when evaluating this result?

1. A nutrition researcher records the number of grams of sugar consumed per day by five participants: 30, 35, 40, 45, and 150 grams. She reports a single value that is calculated by adding all values and dividing by the number of participants. Which statistic is she reporting?

8. In a study examining the relationship between screen time and sleep, researchers record the number of hours participants spend on their phones each day. The number of hours of phone use is a:

4. In a drug trial, some participants receive a pill that looks identical to the medication being tested but contains no active ingredient.This pill is called a: